Results 1 to 3 of 3

Math Help - Problem on functions?

  1. #1
    Newbie
    Joined
    Aug 2012
    From
    manila
    Posts
    9

    Problem on functions?

    If α and β are multiplicative functions, prove that the function f(n) defined by f(n) = α(n)β (n)
    is a multiplicative function.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Mar 2011
    From
    Tejas
    Posts
    3,392
    Thanks
    758

    Re: Problem on functions?

    suppose gcd(k,m) = 1.

    then f(km) = α(km)β(km) = α(k)α(m)β(k)β(m) = α(k)β(k)α(m)β(m) = ?
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Nov 2012
    From
    Kunming
    Posts
    3

    Re: Problem on functions?

    I am really struddling to understand these types of questions. Please can someone walkthough it with me.casquette snapback pas cher

    snapback pas cher timberland bottes homme
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Functions problem
    Posted in the Algebra Forum
    Replies: 5
    Last Post: August 5th 2011, 05:34 AM
  2. problem of functions
    Posted in the Calculus Forum
    Replies: 1
    Last Post: April 27th 2010, 03:30 AM
  3. functions problem
    Posted in the Calculus Forum
    Replies: 3
    Last Post: April 7th 2010, 03:11 PM
  4. The problem in Functions again.
    Posted in the Algebra Forum
    Replies: 1
    Last Post: November 19th 2009, 02:32 AM
  5. Functions Problem!!
    Posted in the Discrete Math Forum
    Replies: 1
    Last Post: April 11th 2009, 06:36 PM

Search Tags


/mathhelpforum @mathhelpforum